import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        Scanner scan=new Scanner(System.in);
        //1.生成答案数字
        String str ;
        do {
            int answer = (int) (Math.random() * 100 + 1);
            int chances = 7;
            //2.接受玩家猜测的数字
            while (chances > 0) {
                System.out.println("请猜一个1-100之间的整数(包括1和100)" + "你还有" + chances + "次机会,输入-1可结束本轮游戏”");
                int guess;
                try {
                     guess = scan.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字！");
                    scan.next();
                    continue;
                }

                //3.比较答案数字与猜测数字的关系
                if (guess==-1){
                    break;
                } else if (guess > answer) {
                    System.out.println("大了");
                } else if (guess < answer) {
                    System.out.println("小了");
                } else {
                    System.out.println("恭喜你,猜对了");
                    break;
                }
                chances--;
                //4.每猜一次就比较一次
            }
            if (chances <= 0) {
                System.out.println("没有机会了");
            }
            System.out.println("再玩一次么？(y/n)");
             str=scan.next();
        }while (str.equalsIgnoreCase("y"));
    }
}
